package com.ysx.utils;

import java.util.ArrayList;
import java.util.List;

public class CarTest {

    public static void main(String[] args) {

        //搞出这个类的对象
        Car car = new Car();
        int jieguo = car.add(10,20);
        System.out.println(jieguo);

        List<Integer> ids = new ArrayList<>();
        for(Integer id:ids){

        }

    }
}
